Dealing with element-wise comparisons that have NDV and a value pairing. - Githubissues

NOAA-OWP / gval

A high-level Python framework to evaluate the skill of geospatial datasets by comparing candidates to benchmark maps producing agreement maps and metrics.

https://noaa-owp.github.io/gval/

Other

22 stars 0 forks source link

Dealing with element-wise comparisons that have NDV and a value pairing. #25

Closed fernando-aristizabal closed 1 year ago

fernando-aristizabal commented 1 year ago

Dealing with element-wise comparisons that have NDV and a value pairing.

Current behavior

Element-wise pairing with value-value pairs yields a value.
Element-wise pairing with NDV in either candidate or benchmark yields NDV.
This functionality is done in gval.compare.compute_agreement_xarray() along with the comparison_function arg.

Expected behavior

User's may want to denote situations where candidate or benchmark has a value and the other is NDV.
This represents a "value mis-alignment" that user's may want represented in the agreement map.

fernando-aristizabal commented 1 year ago

Current behavior in pairing_dict branch allows for "value misalignment" with the pairing_dict comparison function argument. No support is currently being given for "value misalignment" with the other comparison functions including cantor and szudzik.